/* Zepto v1.2.0 - zepto event ajax form ie - zeptojs.com/license */

layui.define(function (exports) {

    var Zepto = (function () {
            var undefined, key, $, classList, emptyArray = [], concat = emptyArray.concat, filter = emptyArray.filter,
                slice = emptyArray.slice,
                document = window.document,
                elementDisplay = {}, classCache = {},
                cssNumber = {
                    'column-count': 1,
                    'columns': 1,
                    'font-weight': 1,
                    'line-height': 1,
                    'opacity': 1,
                    'z-index': 1,
                    'zoom': 1
                },
                fragmentRE = /^\s*<(\w+|!)[^>]*>/,
                singleTagRE = /^<(\w+)\s*\/?>(?:<\/\1>|)$/,
                tagExpanderRE = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/ig,
                rootNodeRE = /^(?:body|html)$/i,
                capitalRE = /([A-Z])/g,

                // special attributes that should be get/set via method calls
                methodAttributes = ['val', 'css', 'html', 'text', 'data', 'width', 'height', 'offset'],

                adjacencyOperators = ['after', 'prepend', 'before', 'append'],
                table = document.createElement('table'),
                tableRow = document.createElement('tr'),
                containers = {
                    'tr': document.createElement('tbody'),
                    'tbody': table, 'thead': table, 'tfoot': table,
                    'td': tableRow, 'th': tableRow,
                    '*': document.createElement('div')
                },
                readyRE = /complete|loaded|interactive/,
                simpleSelectorRE = /^[\w-]*$/,
                class2type = {},
                toString = class2type.toString,
                zepto = {},
                camelize, uniq,
                tempParent = document.createElement('div'),
                propMap = {
                    'tabindex': 'tabIndex',
                    'readonly': 'readOnly',
                    'for': 'htmlFor',
                    'class': 'className',
                    'maxlength': 'maxLength',
                    'cellspacing': 'cellSpacing',
                    'cellpadding': 'cellPadding',
                    'rowspan': 'rowSpan',
                    'colspan': 'colSpan',
                    'usemap': 'useMap',
                    'frameborder': 'frameBorder',
                    'contenteditable': 'contentEditable'
                },
                isArray = Array.isArray ||
                    function (object) {
                        return object instanceof Array
                    }

            zepto.matches = function (element, selector) {
                if (!selector || !element || element.nodeType !== 1) return false
                var matchesSelector = element.matches || element.webkitMatchesSelector ||
                    element.mozMatchesSelector || element.oMatchesSelector ||
                    element.matchesSelector
                if (matchesSelector) return matchesSelector.call(element, selector)
                // fall back to performing a selector:
                var match, parent = element.parentNode, temp = !parent
                if (temp) (parent = tempParent).appendChild(element)
                match = ~zepto.qsa(parent, selector).indexOf(element)
                temp && tempParent.removeChild(element)
                return match
            }

            function type(obj) {
                return obj == null ? String(obj) :
                    class2type[toString.call(obj)] || "object"
            }

            function isFunction(value) {
                return type(value) == "function"
            }

            function isWindow(obj) {
                return obj != null && obj == obj.window
            }

            function isDocument(obj) {
                return obj != null && obj.nodeType == obj.DOCUMENT_NODE
            }

            function isObject(obj) {
                return type(obj) == "object"
            }

            function isPlainObject(obj) {
                return isObject(obj) && !isWindow(obj) && Object.getPrototypeOf(obj) == Object.prototype
            }

            function likeArray(obj) {
                var length = !!obj && 'length' in obj && obj.length,
                    type = $.type(obj)

                return 'function' != type && !isWindow(obj) && (
                    'array' == type || length === 0 ||
                    (typeof length == 'number' && length > 0 && (length - 1) in obj)
                )
            }

            function compact(array) {
                return filter.call(array, function (item) {
                    return item != null
                })
            }

            function flatten(array) {
                return array.length > 0 ? $.fn.concat.apply([], array) : array
            }

            camelize = function (str) {
                return str.replace(/-+(.)?/g, function (match, chr) {
                    return chr ? chr.toUpperCase() : ''
                })
            }

            function dasherize(str) {
                return str.replace(/::/g, '/')
                    .replace(/([A-Z]+)([A-Z][a-z])/g, '$1_$2')
                    .replace(/([a-z\d])([A-Z])/g, '$1_$2')
                    .replace(/_/g, '-')
                    .toLowerCase()
            }

            uniq = function (array) {
                return filter.call(array, function (item, idx) {
                    return array.indexOf(item) == idx
                })
            }

            function classRE(name) {
                return name in classCache ?
                    classCache[name] : (classCache[name] = new RegExp('(^|\\s)' + name + '(\\s|$)'))
            }

            function maybeAddPx(name, value) {
                return (typeof value == "number" && !cssNumber[dasherize(name)]) ? value + "px" : value
            }

            function defaultDisplay(nodeName) {
                var element, display
                if (!elementDisplay[nodeName]) {
                    element = document.createElement(nodeName)
                    document.body.appendChild(element)
                    display = getComputedStyle(element, '').getPropertyValue("display")
                    element.parentNode.removeChild(element)
                    display == "none" && (display = "block")
                    elementDisplay[nodeName] = display
                }
                return elementDisplay[nodeName]
            }

            function children(element) {
                return 'children' in element ?
                    slice.call(element.children) :
                    $.map(element.childNodes, function (node) {
                        if (node.nodeType == 1) return node
                    })
            }

            function Z(dom, selector) {
                var i, len = dom ? dom.length : 0
                for (i = 0; i < len; i++) this[i] = dom[i]
                this.length = len
                this.selector = selector || ''
            }

            // `$.zepto.fragment` takes a html string and an optional tag name
            // to generate DOM nodes from the given html string.
            // The generated DOM nodes are returned as an array.
            // This function can be overridden in plugins for example to make
            // it compatible with browsers that don't support the DOM fully.
            zepto.fragment = function (html, name, properties) {
                var dom, nodes, container

                // A special case optimization for a single tag
                if (singleTagRE.test(html)) dom = $(document.createElement(RegExp.$1))

                if (!dom) {
                    if (html.replace) html = html.replace(tagExpanderRE, "<$1></$2>")
                    if (name === undefined) name = fragmentRE.test(html) && RegExp.$1
                    if (!(name in containers)) name = '*'

                    container = containers[name]
                    container.innerHTML = '' + html
                    dom = $.each(slice.call(container.childNodes), function () {
                        container.removeChild(this)
                    })
                }

                if (isPlainObject(properties)) {
                    nodes = $(dom)
                    $.each(properties, function (key, value) {
                        if (methodAttributes.indexOf(key) > -1) nodes[key](value)
                        else nodes.attr(key, value)
                    })
                }

                return dom
            }

            // `$.zepto.Z` swaps out the prototype of the given `dom` array
            // of nodes with `$.fn` and thus supplying all the Zepto functions
            // to the array. This method can be overridden in plugins.
            zepto.Z = function (dom, selector) {
                return new Z(dom, selector)
            }

            // `$.zepto.isZ` should return `true` if the given object is a Zepto
            // collection. This method can be overridden in plugins.
            zepto.isZ = function (object) {
                return object instanceof zepto.Z
            }

            // `$.zepto.init` is Zepto's counterpart to jQuery's `$.fn.init` and
            // takes a CSS selector and an optional context (and handles various
            // special cases).
            // This method can be overridden in plugins.
            zepto.init = function (selector, context) {
                var dom
                // If nothing given, return an empty Zepto collection
                if (!selector) return zepto.Z()
                // Optimize for string selectors
                else if (typeof selector == 'string') {
                    selector = selector.trim()
                    // If it's a html fragment, create nodes from it
                    // Note: In both Chrome 21 and Firefox 15, DOM error 12
                    // is thrown if the fragment doesn't begin with <
                    if (selector[0] == '<' && fragmentRE.test(selector))
                        dom = zepto.fragment(selector, RegExp.$1, context), selector = null
                    // If there's a context, create a collection on that context first, and select
                    // nodes from there
                    else if (context !== undefined) return $(context).find(selector)
                    // If it's a CSS selector, use it to select nodes.
                    else dom = zepto.qsa(document, selector)
                }
                // If a function is given, call it when the DOM is ready
                else if (isFunction(selector)) return $(document).ready(selector)
                // If a Zepto collection is given, just return it
                else if (zepto.isZ(selector)) return selector
                else {
                    // normalize array if an array of nodes is given
                    if (isArray(selector)) dom = compact(selector)
                    // Wrap DOM nodes.
                    else if (isObject(selector))
                        dom = [selector], selector = null
                    // If it's a html fragment, create nodes from it
                    else if (fragmentRE.test(selector))
                        dom = zepto.fragment(selector.trim(), RegExp.$1, context), selector = null
                    // If there's a context, create a collection on that context first, and select
                    // nodes from there
                    else if (context !== undefined) return $(context).find(selector)
                    // And last but no least, if it's a CSS selector, use it to select nodes.
                    else dom = zepto.qsa(document, selector)
                }
                // create a new Zepto collection from the nodes found
                return zepto.Z(dom, selector)
            }

            // `$` will be the base `Zepto` object. When calling this
            // function just call `$.zepto.init, which makes the implementation
            // details of selecting nodes and creating Zepto collections
            // patchable in plugins.
            $ = function (selector, context) {
                return zepto.init(selector, context)
            }

            function extend(target, source, deep) {
                for (key in source)
                    if (deep && (isPlainObject(source[key]) || isArray(source[key]))) {
                        if (isPlainObject(source[key]) && !isPlainObject(target[key]))
                            target[key] = {}
                        if (isArray(source[key]) && !isArray(target[key]))
                            target[key] = []
                        extend(target[key], source[key], deep)
                    } else if (source[key] !== undefined) target[key] = source[key]
            }

            // Copy all but undefined properties from one or more
            // objects to the `target` object.
            $.extend = function (target) {
                var deep, args = slice.call(arguments, 1)
                if (typeof target == 'boolean') {
                    deep = target
                    target = args.shift()
                }
                args.forEach(function (arg) {
                    extend(target, arg, deep)
                })
                return target
            }

            // `$.zepto.qsa` is Zepto's CSS selector implementation which
            // uses `document.querySelectorAll` and optimizes for some special cases, like `#id`.
            // This method can be overridden in plugins.
            zepto.qsa = function (element, selector) {
                var found,
                    maybeID = selector[0] == '#',
                    maybeClass = !maybeID && selector[0] == '.',
                    nameOnly = maybeID || maybeClass ? selector.slice(1) : selector, // Ensure that a 1 char tag name still gets checked
                    isSimple = simpleSelectorRE.test(nameOnly)
                return (element.getElementById && isSimple && maybeID) ? // Safari DocumentFragment doesn't have getElementById
                    ((found = element.getElementById(nameOnly)) ? [found] : []) :
                    (element.nodeType !== 1 && element.nodeType !== 9 && element.nodeType !== 11) ? [] :
                        slice.call(
                            isSimple && !maybeID && element.getElementsByClassName ? // DocumentFragment doesn't have getElementsByClassName/TagName
                                maybeClass ? element.getElementsByClassName(nameOnly) : // If it's simple, it could be a class
                                    element.getElementsByTagName(selector) : // Or a tag
                                element.querySelectorAll(selector) // Or it's not simple, and we need to query all
                        )
            }

            function filtered(nodes, selector) {
                return selector == null ? $(nodes) : $(nodes).filter(selector)
            }

            $.contains = document.documentElement.contains ?
                function (parent, node) {
                    return parent !== node && parent.contains(node)
                } :
                function (parent, node) {
                    while (node && (node = node.parentNode))
                        if (node === parent) return true
                    return false
                }

            function funcArg(context, arg, idx, payload) {
                return isFunction(arg) ? arg.call(context, idx, payload) : arg
            }

            function setAttribute(node, name, value) {
                value == null ? node.removeAttribute(name) : node.setAttribute(name, value)
            }

            // access className property while respecting SVGAnimatedString
            function className(node, value) {
                var klass = node.className || '',
                    svg = klass && klass.baseVal !== undefined

                if (value === undefined) return svg ? klass.baseVal : klass
                svg ? (klass.baseVal = value) : (node.className = value)
            }

            // "true"  => true
            // "false" => false
            // "null"  => null
            // "42"    => 42
            // "42.5"  => 42.5
            // "08"    => "08"
            // JSON    => parse if valid
            // String  => self
            function deserializeValue(value) {
                try {
                    return value ?
                        value == "true" ||
                        (value == "false" ? false :
                            value == "null" ? null :
                                +value + "" == value ? +value :
                                    /^[\[\{]/.test(value) ? $.parseJSON(value) :
                                        value)
                        : value
                } catch (e) {
                    return value
                }
            }

            $.type = type
            $.isFunction = isFunction
            $.isWindow = isWindow
            $.isArray = isArray
            $.isPlainObject = isPlainObject

            $.isEmptyObject = function (obj) {
                var name
                for (name in obj) return false
                return true
            }

            $.isNumeric = function (val) {
                var num = Number(val), type = typeof val
                return val != null && type != 'boolean' &&
                    (type != 'string' || val.length) &&
                    !isNaN(num) && isFinite(num) || false
            }

            $.inArray = function (elem, array, i) {
                return emptyArray.indexOf.call(array, elem, i)
            }

            $.camelCase = camelize
            $.trim = function (str) {
                return str == null ? "" : String.prototype.trim.call(str)
            }

            // plugin compatibility
            $.uuid = 0
            $.support = {}
            $.expr = {}
            $.noop = function () {
            }

            $.map = function (elements, callback) {
                var value, values = [], i, key
                if (likeArray(elements))
                    for (i = 0; i < elements.length; i++) {
                        value = callback(elements[i], i)
                        if (value != null) values.push(value)
                    }
                else
                    for (key in elements) {
                        value = callback(elements[key], key)
                        if (value != null) values.push(value)
                    }
                return flatten(values)
            }

            $.each = function (elements, callback) {
                var i, key
                if (likeArray(elements)) {
                    for (i = 0; i < elements.length; i++)
                        if (callback.call(elements[i], i, elements[i]) === false) return elements
                } else {
                    for (key in elements)
                        if (callback.call(elements[key], key, elements[key]) === false) return elements
                }

                return elements
            }

            $.grep = function (elements, callback) {
                return filter.call(elements, callback)
            }

            if (window.JSON) $.parseJSON = JSON.parse

            // Populate the class2type map
            $.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function (i, name) {
                class2type["[object " + name + "]"] = name.toLowerCase()
            })

            // Define methods that will be available on all
            // Zepto collections
            $.fn = {
                constructor: zepto.Z,
                length: 0,

                // Because a collection acts like an array
                // copy over these useful array functions.
                forEach: emptyArray.forEach,
                reduce: emptyArray.reduce,
                push: emptyArray.push,
                sort: emptyArray.sort,
                splice: emptyArray.splice,
                indexOf: emptyArray.indexOf,
                concat: function () {
                    var i, value, args = []
                    for (i = 0; i < arguments.length; i++) {
                        value = arguments[i]
                        args[i] = zepto.isZ(value) ? value.toArray() : value
                    }
                    return concat.apply(zepto.isZ(this) ? this.toArray() : this, args)
                },

                // `map` and `slice` in the jQuery API work differently
                // from their array counterparts
                map: function (fn) {
                    return $($.map(this, function (el, i) {
                        return fn.call(el, i, el)
                    }))
                },
                slice: function () {
                    return $(slice.apply(this, arguments))
                },

                ready: function (callback) {
                    // need to check if document.body exists for IE as that browser reports
                    // document ready when it hasn't yet created the body element
                    if (readyRE.test(document.readyState) && document.body) callback($)
                    else document.addEventListener('DOMContentLoaded', function () {
                        callback($)
                    }, false)
                    return this
                },
                get: function (idx) {
                    return idx === undefined ? slice.call(this) : this[idx >= 0 ? idx : idx + this.length]
                },
                toArray: function () {
                    return this.get()
                },
                size: function () {
                    return this.length
                },
                remove: function () {
                    return this.each(function () {
                        if (this.parentNode != null)
                            this.parentNode.removeChild(this)
                    })
                },
                each: function (callback) {
                    emptyArray.every.call(this, function (el, idx) {
                        return callback.call(el, idx, el) !== false
                    })
                    return this
                },
                filter: function (selector) {
                    if (isFunction(selector)) return this.not(this.not(selector))
                    return $(filter.call(this, function (element) {
                        return zepto.matches(element, selector)
                    }))
                },
                add: function (selector, context) {
                    return $(uniq(this.concat($(selector, context))))
                },
                is: function (selector) {
                    return this.length > 0 && zepto.matches(this[0], selector)
                },
                not: function (selector) {
                    var nodes = []
                    if (isFunction(selector) && selector.call !== undefined)
                        this.each(function (idx) {
                            if (!selector.call(this, idx)) nodes.push(this)
                        })
                    else {
                        var excludes = typeof selector == 'string' ? this.filter(selector) :
                            (likeArray(selector) && isFunction(selector.item)) ? slice.call(selector) : $(selector)
                        this.forEach(function (el) {
                            if (excludes.indexOf(el) < 0) nodes.push(el)
                        })
                    }
                    return $(nodes)
                },
                has: function (selector) {
                    return this.filter(function () {
                        return isObject(selector) ?
                            $.contains(this, selector) :
                            $(this).find(selector).size()
                    })
                },
                eq: function (idx) {
                    return idx === -1 ? this.slice(idx) : this.slice(idx, +idx + 1)
                },
                first: function () {
                    var el = this[0]
                    return el && !isObject(el) ? el : $(el)
                },
                last: function () {
                    var el = this[this.length - 1]
                    return el && !isObject(el) ? el : $(el)
                },
                find: function (selector) {
                    var result, $this = this
                    if (!selector) result = $()
                    else if (typeof selector == 'object')
                        result = $(selector).filter(function () {
                            var node = this
                            return emptyArray.some.call($this, function (parent) {
                                return $.contains(parent, node)
                            })
                        })
                    else if (this.length == 1) result = $(zepto.qsa(this[0], selector))
                    else result = this.map(function () {
                            return zepto.qsa(this, selector)
                        })
                    return result
                },
                closest: function (selector, context) {
                    var nodes = [], collection = typeof selector == 'object' && $(selector)
                    this.each(function (_, node) {
                        while (node && !(collection ? collection.indexOf(node) >= 0 : zepto.matches(node, selector)))
                            node = node !== context && !isDocument(node) && node.parentNode
                        if (node && nodes.indexOf(node) < 0) nodes.push(node)
                    })
                    return $(nodes)
                },
                parents: function (selector) {
                    var ancestors = [], nodes = this
                    while (nodes.length > 0)
                        nodes = $.map(nodes, function (node) {
                            if ((node = node.parentNode) && !isDocument(node) && ancestors.indexOf(node) < 0) {
                                ancestors.push(node)
                                return node
                            }
                        })
                    return filtered(ancestors, selector)
                },
                parent: function (selector) {
                    return filtered(uniq(this.pluck('parentNode')), selector)
                },
                children: function (selector) {
                    return filtered(this.map(function () {
                        return children(this)
                    }), selector)
                },
                contents: function () {
                    return this.map(function () {
                        return this.contentDocument || slice.call(this.childNodes)
                    })
                },
                siblings: function (selector) {
                    return filtered(this.map(function (i, el) {
                        return filter.call(children(el.parentNode), function (child) {
                            return child !== el
                        })
                    }), selector)
                },
                empty: function () {
                    return this.each(function () {
                        this.innerHTML = ''
                    })
                },
                // `pluck` is borrowed from Prototype.js
                pluck: function (property) {
                    return $.map(this, function (el) {
                        return el[property]
                    })
                },
                show: function () {
                    return this.each(function () {
                        this.style.display == "none" && (this.style.display = '')
                        if (getComputedStyle(this, '').getPropertyValue("display") == "none")
                            this.style.display = defaultDisplay(this.nodeName)
                    })
                },
                replaceWith: function (newContent) {
                    return this.before(newContent).remove()
                },
                wrap: function (structure) {
                    var func = isFunction(structure)
                    if (this[0] && !func)
                        var dom = $(structure).get(0),
                            clone = dom.parentNode || this.length > 1

                    return this.each(function (index) {
                        $(this).wrapAll(
                            func ? structure.call(this, index) :
                                clone ? dom.cloneNode(true) : dom
                        )
                    })
                },
                wrapAll: function (structure) {
                    if (this[0]) {
                        $(this[0]).before(structure = $(structure))
                        var children
                        // drill down to the inmost element
                        while ((children = structure.children()).length) structure = children.first()
                        $(structure).append(this)
                    }
                    return this
                },
                wrapInner: function (structure) {
                    var func = isFunction(structure)
                    return this.each(function (index) {
                        var self = $(this), contents = self.contents(),
                            dom = func ? structure.call(this, index) : structure
                        contents.length ? contents.wrapAll(dom) : self.append(dom)
                    })
                },
                unwrap: function () {
                    this.parent().each(function () {
                        $(this).replaceWith($(this).children())
                    })
                    return this
                },
                clone: function () {
                    return this.map(function () {
                        return this.cloneNode(true)
                    })
                },
                hide: function () {
                    return this.css("display", "none")
                },
                toggle: function (setting) {
                    return this.each(function () {
                        var el = $(this)
                        ;(setting === undefined ? el.css("display") == "none" : setting) ? el.show() : el.hide()
                    })
                },
                prev: function (selector) {
                    return $(this.pluck('previousElementSibling')).filter(selector || '*')
                },
                next: function (selector) {
                    return $(this.pluck('nextElementSibling')).filter(selector || '*')
                },
                html: function (html) {
                    return 0 in arguments ?
                        this.each(function (idx) {
                            var originHtml = this.innerHTML
                            $(this).empty().append(funcArg(this, html, idx, originHtml))
                        }) :
                        (0 in this ? this[0].innerHTML : null)
                },
                text: function (text) {
                    return 0 in arguments ?
                        this.each(function (idx) {
                            var newText = funcArg(this, text, idx, this.textContent)
                            this.textContent = newText == null ? '' : '' + newText
                        }) :
                        (0 in this ? this.pluck('textContent').join("") : null)
                },
                attr: function (name, value) {
                    var result
                    return (typeof name == 'string' && !(1 in arguments)) ?
                        (0 in this && this[0].nodeType == 1 && (result = this[0].getAttribute(name)) != null ? result : undefined) :
                        this.each(function (idx) {
                            if (this.nodeType !== 1) return
                            if (isObject(name)) for (key in name) setAttribute(this, key, name[key])
                            else setAttribute(this, name, funcArg(this, value, idx, this.getAttribute(name)))
                        })
                },
                removeAttr: function (name) {
                    return this.each(function () {
                        this.nodeType === 1 && name.split(' ').forEach(function (attribute) {
                            setAttribute(this, attribute)
                        }, this)
                    })
                },
                prop: function (name, value) {
                    name = propMap[name] || name
                    return (1 in arguments) ?
                        this.each(function (idx) {
                            this[name] = funcArg(this, value, idx, this[name])
                        }) :
                        (this[0] && this[0][name])
                },
                removeProp: function (name) {
                    name = propMap[name] || name
                    return this.each(function () {
                        delete this[name]
                    })
                },
                data: function (name, value) {
                    var attrName = 'data-' + name.replace(capitalRE, '-$1').toLowerCase()

                    var data = (1 in arguments) ?
                        this.attr(attrName, value) :
                        this.attr(attrName)

                    return data !== null ? deserializeValue(data) : undefined
                },
                val: function (value) {
                    if (0 in arguments) {
                        if (value == null) value = ""
                        return this.each(function (idx) {
                            this.value = funcArg(this, value, idx, this.value)
                        })
                    } else {
                        return this[0] && (this[0].multiple ?
                            $(this[0]).find('option').filter(function () {
                                return this.selected
                            }).pluck('value') :
                            this[0].value)
                    }
                },
                offset: function (coordinates) {
                    if (coordinates) return this.each(function (index) {
                        var $this = $(this),
                            coords = funcArg(this, coordinates, index, $this.offset()),
                            parentOffset = $this.offsetParent().offset(),
                            props = {
                                top: coords.top - parentOffset.top,
                                left: coords.left - parentOffset.left
                            }

                        if ($this.css('position') == 'static') props['position'] = 'relative'
                        $this.css(props)
                    })
                    if (!this.length) return null
                    if (document.documentElement !== this[0] && !$.contains(document.documentElement, this[0]))
                        return {top: 0, left: 0}
                    var obj = this[0].getBoundingClientRect()
                    return {
                        left: obj.left + window.pageXOffset,
                        top: obj.top + window.pageYOffset,
                        width: Math.round(obj.width),
                        height: Math.round(obj.height)
                    }
                },
                css: function (property, value) {
                    if (arguments.length < 2) {
                        var element = this[0]
                        if (typeof property == 'string') {
                            if (!element) return
                            return element.style[camelize(property)] || getComputedStyle(element, '').getPropertyValue(property)
                        } else if (isArray(property)) {
                            if (!element) return
                            var props = {}
                            var computedStyle = getComputedStyle(element, '')
                            $.each(property, function (_, prop) {
                                props[prop] = (element.style[camelize(prop)] || computedStyle.getPropertyValue(prop))
                            })
                            return props
                        }
                    }

                    var css = ''
                    if (type(property) == 'string') {
                        if (!value && value !== 0)
                            this.each(function () {
                                this.style.removeProperty(dasherize(property))
                            })
                        else
                            css = dasherize(property) + ":" + maybeAddPx(property, value)
                    } else {
                        for (key in property)
                            if (!property[key] && property[key] !== 0)
                                this.each(function () {
                                    this.style.removeProperty(dasherize(key))
                                })
                            else
                                css += dasherize(key) + ':' + maybeAddPx(key, property[key]) + ';'
                    }

                    return this.each(function () {
                        this.style.cssText += ';' + css
                    })
                },
                index: function (element) {
                    return element ? this.indexOf($(element)[0]) : this.parent().children().indexOf(this[0])
                },
                hasClass: function (name) {
                    if (!name) return false
                    return emptyArray.some.call(this, function (el) {
                        return this.test(className(el))
                    }, classRE(name))
                },
                addClass: function (name) {
                    if (!name) return this
                    return this.each(function (idx) {
                        if (!('className' in this)) return
                        classList = []
                        var cls = className(this), newName = funcArg(this, name, idx, cls)
                        newName.split(/\s+/g).forEach(function (klass) {
                            if (!$(this).hasClass(klass)) classList.push(klass)
                        }, this)
                        classList.length && className(this, cls + (cls ? " " : "") + classList.join(" "))
                    })
                },
                removeClass: function (name) {
                    return this.each(function (idx) {
                        if (!('className' in this)) return
                        if (name === undefined) return className(this, '')
                        classList = className(this)
                        funcArg(this, name, idx, classList).split(/\s+/g).forEach(function (klass) {
                            classList = classList.replace(classRE(klass), " ")
                        })
                        className(this, classList.trim())
                    })
                },
                toggleClass: function (name, when) {
                    if (!name) return this
                    return this.each(function (idx) {
                        var $this = $(this), names = funcArg(this, name, idx, className(this))
                        names.split(/\s+/g).forEach(function (klass) {
                            (when === undefined ? !$this.hasClass(klass) : when) ?
                                $this.addClass(klass) : $this.removeClass(klass)
                        })
                    })
                },
                scrollTop: function (value) {
                    if (!this.length) return
                    var hasScrollTop = 'scrollTop' in this[0]
                    if (value === undefined) return hasScrollTop ? this[0].scrollTop : this[0].pageYOffset
                    return this.each(hasScrollTop ?
                        function () {
                            this.scrollTop = value
                        } :
                        function () {
                            this.scrollTo(this.scrollX, value)
                        })
                },
                scrollLeft: function (value) {
                    if (!this.length) return
                    var hasScrollLeft = 'scrollLeft' in this[0]
                    if (value === undefined) return hasScrollLeft ? this[0].scrollLeft : this[0].pageXOffset
                    return this.each(hasScrollLeft ?
                        function () {
                            this.scrollLeft = value
                        } :
                        function () {
                            this.scrollTo(value, this.scrollY)
                        })
                },
                position: function () {
                    if (!this.length) return

                    var elem = this[0],
                        // Get *real* offsetParent
                        offsetParent = this.offsetParent(),
                        // Get correct offsets
                        offset = this.offset(),
                        parentOffset = rootNodeRE.test(offsetParent[0].nodeName) ? {top: 0, left: 0} : offsetParent.offset()

                    // Subtract element margins
                    // note: when an element has margin: auto the offsetLeft and marginLeft
                    // are the same in Safari causing offset.left to incorrectly be 0
                    offset.top -= parseFloat($(elem).css('margin-top')) || 0
                    offset.left -= parseFloat($(elem).css('margin-left')) || 0

                    // Add offsetParent borders
                    parentOffset.top += parseFloat($(offsetParent[0]).css('border-top-width')) || 0
                    parentOffset.left += parseFloat($(offsetParent[0]).css('border-left-width')) || 0

                    // Subtract the two offsets
                    return {
                        top: offset.top - parentOffset.top,
                        left: offset.left - parentOffset.left
                    }
                },
                offsetParent: function () {
                    return this.map(function () {
                        var parent = this.offsetParent || document.body
                        while (parent && !rootNodeRE.test(parent.nodeName) && $(parent).css("position") == "static")
                            parent = parent.offsetParent
                        return parent
                    })
                }
            }

            // for now
            $.fn.detach = $.fn.remove

            // Generate the `width` and `height` functions
            ;['width', 'height'].forEach(function (dimension) {
                var dimensionProperty =
                    dimension.replace(/./, function (m) {
                        return m[0].toUpperCase()
                    })

                $.fn[dimension] = function (value) {
                    var offset, el = this[0]
                    if (value === undefined) return isWindow(el) ? el['inner' + dimensionProperty] :
                        isDocument(el) ? el.documentElement['scroll' + dimensionProperty] :
                            (offset = this.offset()) && offset[dimension]
                    else return this.each(function (idx) {
                        el = $(this)
                        el.css(dimension, funcArg(this, value, idx, el[dimension]()))
                    })
                }
            })

            function traverseNode(node, fun) {
                fun(node)
                for (var i = 0, len = node.childNodes.length; i < len; i++)
                    traverseNode(node.childNodes[i], fun)
            }

            // Generate the `after`, `prepend`, `before`, `append`,
            // `insertAfter`, `insertBefore`, `appendTo`, and `prependTo` methods.
            adjacencyOperators.forEach(function (operator, operatorIndex) {
                var inside = operatorIndex % 2 //=> prepend, append

                $.fn[operator] = function () {
                    // arguments can be nodes, arrays of nodes, Zepto objects and HTML strings
                    var argType, nodes = $.map(arguments, function (arg) {
                            var arr = []
                            argType = type(arg)
                            if (argType == "array") {
                                arg.forEach(function (el) {
                                    if (el.nodeType !== undefined) return arr.push(el)
                                    else if ($.zepto.isZ(el)) return arr = arr.concat(el.get())
                                    arr = arr.concat(zepto.fragment(el))
                                })
                                return arr
                            }
                            return argType == "object" || arg == null ?
                                arg : zepto.fragment(arg)
                        }),
                        parent, copyByClone = this.length > 1
                    if (nodes.length < 1) return this

                    return this.each(function (_, target) {
                        parent = inside ? target : target.parentNode

                        // convert all methods to a "before" operation
                        target = operatorIndex == 0 ? target.nextSibling :
                            operatorIndex == 1 ? target.firstChild :
                                operatorIndex == 2 ? target :
                                    null

                        var parentInDocument = $.contains(document.documentElement, parent)

                        nodes.forEach(function (node) {
                            if (copyByClone) node = node.cloneNode(true)
                            else if (!parent) return $(node).remove()

                            parent.insertBefore(node, target)
                            if (parentInDocument) traverseNode(node, function (el) {
                                if (el.nodeName != null && el.nodeName.toUpperCase() === 'SCRIPT' &&
                                    (!el.type || el.type === 'text/javascript') && !el.src) {
                                    var target = el.ownerDocument ? el.ownerDocument.defaultView : window
                                    target['eval'].call(target, el.innerHTML)
                                }
                            })
                        })
                    })
                }

                // after    => insertAfter
                // prepend  => prependTo
                // before   => insertBefore
                // append   => appendTo
                $.fn[inside ? operator + 'To' : 'insert' + (operatorIndex ? 'Before' : 'After')] = function (html) {
                    $(html)[operator](this)
                    return this
                }
            })

            zepto.Z.prototype = Z.prototype = $.fn

            // Export internal API functions in the `$.zepto` namespace
            zepto.uniq = uniq
            zepto.deserializeValue = deserializeValue
            $.zepto = zepto

            return $
        })()

    ;(function ($) {
        var _zid = 1, undefined,
            slice = Array.prototype.slice,
            isFunction = $.isFunction,
            isString = function (obj) {
                return typeof obj == 'string'
            },
            handlers = {},
            specialEvents = {},
            focusinSupported = 'onfocusin' in window,
            focus = {focus: 'focusin', blur: 'focusout'},
            hover = {mouseenter: 'mouseover', mouseleave: 'mouseout'}

        specialEvents.click = specialEvents.mousedown = specialEvents.mouseup = specialEvents.mousemove = 'MouseEvents'

        function zid(element) {
            return element._zid || (element._zid = _zid++)
        }

        function findHandlers(element, event, fn, selector) {
            event = parse(event)
            if (event.ns) var matcher = matcherFor(event.ns)
            return (handlers[zid(element)] || []).filter(function (handler) {
                return handler
                    && (!event.e || handler.e == event.e)
                    && (!event.ns || matcher.test(handler.ns))
                    && (!fn || zid(handler.fn) === zid(fn))
                    && (!selector || handler.sel == selector)
            })
        }

        function parse(event) {
            var parts = ('' + event).split('.')
            return {e: parts[0], ns: parts.slice(1).sort().join(' ')}
        }

        function matcherFor(ns) {
            return new RegExp('(?:^| )' + ns.replace(' ', ' .* ?') + '(?: |$)')
        }

        function eventCapture(handler, captureSetting) {
            return handler.del &&
                (!focusinSupported && (handler.e in focus)) ||
                !!captureSetting
        }

        function realEvent(type) {
            return hover[type] || (focusinSupported && focus[type]) || type
        }

        function add(element, events, fn, data, selector, delegator, capture) {
            var id = zid(element), set = (handlers[id] || (handlers[id] = []))
            events.split(/\s/).forEach(function (event) {
                if (event == 'ready') return $(document).ready(fn)
                var handler = parse(event)
                handler.fn = fn
                handler.sel = selector
                // emulate mouseenter, mouseleave
                if (handler.e in hover) fn = function (e) {
                    var related = e.relatedTarget
                    if (!related || (related !== this && !$.contains(this, related)))
                        return handler.fn.apply(this, arguments)
                }
                handler.del = delegator
                var callback = delegator || fn
                handler.proxy = function (e) {
                    e = compatible(e)
                    if (e.isImmediatePropagationStopped()) return
                    e.data = data
                    var result = callback.apply(element, e._args == undefined ? [e] : [e].concat(e._args))
                    if (result === false) e.preventDefault(), e.stopPropagation()
                    return result
                }
                handler.i = set.length
                set.push(handler)
                if ('addEventListener' in element)
                    element.addEventListener(realEvent(handler.e), handler.proxy, eventCapture(handler, capture))
            })
        }

        function remove(element, events, fn, selector, capture) {
            var id = zid(element)
            ;(events || '').split(/\s/).forEach(function (event) {
                findHandlers(element, event, fn, selector).forEach(function (handler) {
                    delete handlers[id][handler.i]
                    if ('removeEventListener' in element)
                        element.removeEventListener(realEvent(handler.e), handler.proxy, eventCapture(handler, capture))
                })
            })
        }

        $.event = {add: add, remove: remove}

        $.proxy = function (fn, context) {
            var args = (2 in arguments) && slice.call(arguments, 2)
            if (isFunction(fn)) {
                var proxyFn = function () {
                    return fn.apply(context, args ? args.concat(slice.call(arguments)) : arguments)
                }
                proxyFn._zid = zid(fn)
                return proxyFn
            } else if (isString(context)) {
                if (args) {
                    args.unshift(fn[context], fn)
                    return $.proxy.apply(null, args)
                } else {
                    return $.proxy(fn[context], fn)
                }
            } else {
                throw new TypeError("expected function")
            }
        }

        $.fn.bind = function (event, data, callback) {
            return this.on(event, data, callback)
        }
        $.fn.unbind = function (event, callback) {
            return this.off(event, callback)
        }
        $.fn.one = function (event, selector, data, callback) {
            return this.on(event, selector, data, callback, 1)
        }

        var returnTrue = function () {
                return true
            },
            returnFalse = function () {
                return false
            },
            ignoreProperties = /^([A-Z]|returnValue$|layer[XY]$|webkitMovement[XY]$)/,
            eventMethods = {
                preventDefault: 'isDefaultPrevented',
                stopImmediatePropagation: 'isImmediatePropagationStopped',
                stopPropagation: 'isPropagationStopped'
            }

        function compatible(event, source) {
            if (source || !event.isDefaultPrevented) {
                source || (source = event)

                $.each(eventMethods, function (name, predicate) {
                    var sourceMethod = source[name]
                    event[name] = function () {
                        this[predicate] = returnTrue
                        return sourceMethod && sourceMethod.apply(source, arguments)
                    }
                    event[predicate] = returnFalse
                })

                event.timeStamp || (event.timeStamp = Date.now())

                if (source.defaultPrevented !== undefined ? source.defaultPrevented :
                    'returnValue' in source ? source.returnValue === false :
                        source.getPreventDefault && source.getPreventDefault())
                    event.isDefaultPrevented = returnTrue
            }
            return event
        }

        function createProxy(event) {
            var key, proxy = {originalEvent: event}
            for (key in event)
                if (!ignoreProperties.test(key) && event[key] !== undefined) proxy[key] = event[key]

            return compatible(proxy, event)
        }

        $.fn.delegate = function (selector, event, callback) {
            return this.on(event, selector, callback)
        }
        $.fn.undelegate = function (selector, event, callback) {
            return this.off(event, selector, callback)
        }

        $.fn.live = function (event, callback) {
            $(document.body).delegate(this.selector, event, callback)
            return this
        }
        $.fn.die = function (event, callback) {
            $(document.body).undelegate(this.selector, event, callback)
            return this
        }

        $.fn.on = function (event, selector, data, callback, one) {
            var autoRemove, delegator, $this = this
            if (event && !isString(event)) {
                $.each(event, function (type, fn) {
                    $this.on(type, selector, data, fn, one)
                })
                return $this
            }

            if (!isString(selector) && !isFunction(callback) && callback !== false)
                callback = data, data = selector, selector = undefined
            if (callback === undefined || data === false)
                callback = data, data = undefined

            if (callback === false) callback = returnFalse

            return $this.each(function (_, element) {
                if (one) autoRemove = function (e) {
                    remove(element, e.type, callback)
                    return callback.apply(this, arguments)
                }

                if (selector) delegator = function (e) {
                    var evt, match = $(e.target).closest(selector, element).get(0)
                    if (match && match !== element) {
                        evt = $.extend(createProxy(e), {currentTarget: match, liveFired: element})
                        return (autoRemove || callback).apply(match, [evt].concat(slice.call(arguments, 1)))
                    }
                }

                add(element, event, callback, data, selector, delegator || autoRemove)
            })
        }
        $.fn.off = function (event, selector, callback) {
            var $this = this
            if (event && !isString(event)) {
                $.each(event, function (type, fn) {
                    $this.off(type, selector, fn)
                })
                return $this
            }

            if (!isString(selector) && !isFunction(callback) && callback !== false)
                callback = selector, selector = undefined

            if (callback === false) callback = returnFalse

            return $this.each(function () {
                remove(this, event, callback, selector)
            })
        }

        $.fn.trigger = function (event, args) {
            event = (isString(event) || $.isPlainObject(event)) ? $.Event(event) : compatible(event)
            event._args = args
            return this.each(function () {
                // handle focus(), blur() by calling them directly
                if (event.type in focus && typeof this[event.type] == "function") this[event.type]()
                // items in the collection might not be DOM elements
                else if ('dispatchEvent' in this) this.dispatchEvent(event)
                else $(this).triggerHandler(event, args)
            })
        }

        // triggers event handlers on current element just as if an event occurred,
        // doesn't trigger an actual event, doesn't bubble
        $.fn.triggerHandler = function (event, args) {
            var e, result
            this.each(function (i, element) {
                e = createProxy(isString(event) ? $.Event(event) : event)
                e._args = args
                e.target = element
                $.each(findHandlers(element, event.type || event), function (i, handler) {
                    result = handler.proxy(e)
                    if (e.isImmediatePropagationStopped()) return false
                })
            })
            return result
        }

        // shortcut methods for `.bind(event, fn)` for each event type
        ;('focusin focusout focus blur load resize scroll unload click dblclick ' +
            'mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave ' +
            'change select keydown keypress keyup error').split(' ').forEach(function (event) {
            $.fn[event] = function (callback) {
                return (0 in arguments) ?
                    this.bind(event, callback) :
                    this.trigger(event)
            }
        })

        $.Event = function (type, props) {
            if (!isString(type)) props = type, type = props.type
            var event = document.createEvent(specialEvents[type] || 'Events'), bubbles = true
            if (props) for (var name in props) (name == 'bubbles') ? (bubbles = !!props[name]) : (event[name] = props[name])
            event.initEvent(type, bubbles, true)
            return compatible(event)
        }

    })(Zepto)

    ;(function ($) {
        var jsonpID = +new Date(),
            document = window.document,
            key,
            name,
            rscript = /<script\b[^<]*(?:(?!<\/script>)<[^<]*)*<\/script>/gi,
            scriptTypeRE = /^(?:text|application)\/javascript/i,
            xmlTypeRE = /^(?:text|application)\/xml/i,
            jsonType = 'application/json',
            htmlType = 'text/html',
            blankRE = /^\s*$/,
            originAnchor = document.createElement('a')

        originAnchor.href = window.location.href

        // trigger a custom event and return false if it was cancelled
        function triggerAndReturn(context, eventName, data) {
            var event = $.Event(eventName)
            $(context).trigger(event, data)
            return !event.isDefaultPrevented()
        }

        // trigger an Ajax "global" event
        function triggerGlobal(settings, context, eventName, data) {
            if (settings.global) return triggerAndReturn(context || document, eventName, data)
        }

        // Number of active Ajax requests
        $.active = 0

        function ajaxStart(settings) {
            if (settings.global && $.active++ === 0) triggerGlobal(settings, null, 'ajaxStart')
        }

        function ajaxStop(settings) {
            if (settings.global && !(--$.active)) triggerGlobal(settings, null, 'ajaxStop')
        }

        // triggers an extra global event "ajaxBeforeSend" that's like "ajaxSend" but cancelable
        function ajaxBeforeSend(xhr, settings) {
            var context = settings.context
            if (settings.beforeSend.call(context, xhr, settings) === false ||
                triggerGlobal(settings, context, 'ajaxBeforeSend', [xhr, settings]) === false)
                return false

            triggerGlobal(settings, context, 'ajaxSend', [xhr, settings])
        }

        function ajaxSuccess(data, xhr, settings, deferred) {
            var context = settings.context, status = 'success'
            settings.success.call(context, data, status, xhr)
            if (deferred) deferred.resolveWith(context, [data, status, xhr])
            triggerGlobal(settings, context, 'ajaxSuccess', [xhr, settings, data])
            ajaxComplete(status, xhr, settings)
        }

        // type: "timeout", "error", "abort", "parsererror"
        function ajaxError(error, type, xhr, settings, deferred) {
            var context = settings.context
            settings.error.call(context, xhr, type, error)
            if (deferred) deferred.rejectWith(context, [xhr, type, error])
            triggerGlobal(settings, context, 'ajaxError', [xhr, settings, error || type])
            ajaxComplete(type, xhr, settings)
        }

        // status: "success", "notmodified", "error", "timeout", "abort", "parsererror"
        function ajaxComplete(status, xhr, settings) {
            var context = settings.context
            settings.complete.call(context, xhr, status)
            triggerGlobal(settings, context, 'ajaxComplete', [xhr, settings])
            ajaxStop(settings)
        }

        function ajaxDataFilter(data, type, settings) {
            if (settings.dataFilter == empty) return data
            var context = settings.context
            return settings.dataFilter.call(context, data, type)
        }

        // Empty function, used as default callback
        function empty() {
        }

        $.ajaxJSONP = function (options, deferred) {
            if (!('type' in options)) return $.ajax(options)

            var _callbackName = options.jsonpCallback,
                callbackName = ($.isFunction(_callbackName) ?
                    _callbackName() : _callbackName) || ('Zepto' + (jsonpID++)),
                script = document.createElement('script'),
                originalCallback = window[callbackName],
                responseData,
                abort = function (errorType) {
                    $(script).triggerHandler('error', errorType || 'abort')
                },
                xhr = {abort: abort}, abortTimeout

            if (deferred) deferred.promise(xhr)

            $(script).on('load error', function (e, errorType) {
                clearTimeout(abortTimeout)
                $(script).off().remove()

                if (e.type == 'error' || !responseData) {
                    ajaxError(null, errorType || 'error', xhr, options, deferred)
                } else {
                    ajaxSuccess(responseData[0], xhr, options, deferred)
                }

                window[callbackName] = originalCallback
                if (responseData && $.isFunction(originalCallback))
                    originalCallback(responseData[0])

                originalCallback = responseData = undefined
            })

            if (ajaxBeforeSend(xhr, options) === false) {
                abort('abort')
                return xhr
            }

            window[callbackName] = function () {
                responseData = arguments
            }

            script.src = options.url.replace(/\?(.+)=\?/, '?$1=' + callbackName)
            document.head.appendChild(script)

            if (options.timeout > 0) abortTimeout = setTimeout(function () {
                abort('timeout')
            }, options.timeout)

            return xhr
        }

        $.ajaxSettings = {
            // Default type of request
            type: 'GET',
            // Callback that is executed before request
            beforeSend: empty,
            // Callback that is executed if the request succeeds
            success: empty,
            // Callback that is executed the the server drops error
            error: empty,
            // Callback that is executed on request complete (both: error and success)
            complete: empty,
            // The context for the callbacks
            context: null,
            // Whether to trigger "global" Ajax events
            global: true,
            // Transport
            xhr: function () {
                return new window.XMLHttpRequest()
            },
            // MIME types mapping
            // IIS returns Javascript as "application/x-javascript"
            accepts: {
                script: 'text/javascript, application/javascript, application/x-javascript',
                json: jsonType,
                xml: 'application/xml, text/xml',
                html: htmlType,
                text: 'text/plain'
            },
            // Whether the request is to another domain
            crossDomain: false,
            // Default timeout
            timeout: 0,
            // Whether data should be serialized to string
            processData: true,
            // Whether the browser should be allowed to cache GET responses
            cache: true,
            //Used to handle the raw response data of XMLHttpRequest.
            //This is a pre-filtering function to sanitize the response.
            //The sanitized response should be returned
            dataFilter: empty
        }

        function mimeToDataType(mime) {
            if (mime) mime = mime.split(';', 2)[0]
            return mime && (mime == htmlType ? 'html' :
                mime == jsonType ? 'json' :
                    scriptTypeRE.test(mime) ? 'script' :
                        xmlTypeRE.test(mime) && 'xml') || 'text'
        }

        function appendQuery(url, query) {
            if (query == '') return url
            return (url + '&' + query).replace(/[&?]{1,2}/, '?')
        }

        // serialize payload and append it to the URL for GET requests
        function serializeData(options) {
            if (options.processData && options.data && $.type(options.data) != "string")
                options.data = $.param(options.data, options.traditional)
            if (options.data && (!options.type || options.type.toUpperCase() == 'GET' || 'jsonp' == options.dataType))
                options.url = appendQuery(options.url, options.data), options.data = undefined
        }

        $.ajax = function (options) {
            var settings = $.extend({}, options || {}),
                deferred = $.Deferred && $.Deferred(),
                urlAnchor, hashIndex
            for (key in $.ajaxSettings) if (settings[key] === undefined) settings[key] = $.ajaxSettings[key]

            ajaxStart(settings)

            if (!settings.crossDomain) {
                urlAnchor = document.createElement('a')
                urlAnchor.href = settings.url
                // cleans up URL for .href (IE only), see https://github.com/madrobby/zepto/pull/1049
                urlAnchor.href = urlAnchor.href
                settings.crossDomain = (originAnchor.protocol + '//' + originAnchor.host) !== (urlAnchor.protocol + '//' + urlAnchor.host)
            }

            if (!settings.url) settings.url = window.location.toString()
            if ((hashIndex = settings.url.indexOf('#')) > -1) settings.url = settings.url.slice(0, hashIndex)
            serializeData(settings)

            var dataType = settings.dataType, hasPlaceholder = /\?.+=\?/.test(settings.url)
            if (hasPlaceholder) dataType = 'jsonp'

            if (settings.cache === false || (
                (!options || options.cache !== true) &&
                ('script' == dataType || 'jsonp' == dataType)
            ))
                settings.url = appendQuery(settings.url, '_=' + Date.now())

            if ('jsonp' == dataType) {
                if (!hasPlaceholder)
                    settings.url = appendQuery(settings.url,
                        settings.jsonp ? (settings.jsonp + '=?') : settings.jsonp === false ? '' : 'callback=?')
                return $.ajaxJSONP(settings, deferred)
            }

            var mime = settings.accepts[dataType],
                headers = {},
                setHeader = function (name, value) {
                    headers[name.toLowerCase()] = [name, value]
                },
                protocol = /^([\w-]+:)\/\//.test(settings.url) ? RegExp.$1 : window.location.protocol,
                xhr = settings.xhr(),
                nativeSetHeader = xhr.setRequestHeader,
                abortTimeout

            if (deferred) deferred.promise(xhr)

            if (!settings.crossDomain) setHeader('X-Requested-With', 'XMLHttpRequest')
            setHeader('Accept', mime || '*/*')
            if (mime = settings.mimeType || mime) {
                if (mime.indexOf(',') > -1) mime = mime.split(',', 2)[0]
                xhr.overrideMimeType && xhr.overrideMimeType(mime)
            }
            if (settings.contentType || (settings.contentType !== false && settings.data && settings.type.toUpperCase() != 'GET'))
                setHeader('Content-Type', settings.contentType || 'application/x-www-form-urlencoded')

            if (settings.headers) for (name in settings.headers) setHeader(name, settings.headers[name])
            xhr.setRequestHeader = setHeader

            xhr.onreadystatechange = function () {
                if (xhr.readyState == 4) {
                    xhr.onreadystatechange = empty
                    clearTimeout(abortTimeout)
                    var result, error = false
                    if ((xhr.status >= 200 && xhr.status < 300) || xhr.status == 304 || (xhr.status == 0 && protocol == 'file:')) {
                        dataType = dataType || mimeToDataType(settings.mimeType || xhr.getResponseHeader('content-type'))

                        if (xhr.responseType == 'arraybuffer' || xhr.responseType == 'blob')
                            result = xhr.response
                        else {
                            result = xhr.responseText

                            try {
                                // http://perfectionkills.com/global-eval-what-are-the-options/
                                // sanitize response accordingly if data filter callback provided
                                result = ajaxDataFilter(result, dataType, settings)
                                if (dataType == 'script') (1, eval)(result)
                                else if (dataType == 'xml') result = xhr.responseXML
                                else if (dataType == 'json') result = blankRE.test(result) ? null : $.parseJSON(result)
                            } catch (e) {
                                error = e
                            }

                            if (error) return ajaxError(error, 'parsererror', xhr, settings, deferred)
                        }

                        ajaxSuccess(result, xhr, settings, deferred)
                    } else {
                        ajaxError(xhr.statusText || null, xhr.status ? 'error' : 'abort', xhr, settings, deferred)
                    }
                }
            }

            if (ajaxBeforeSend(xhr, settings) === false) {
                xhr.abort()
                ajaxError(null, 'abort', xhr, settings, deferred)
                return xhr
            }

            var async = 'async' in settings ? settings.async : true
            xhr.open(settings.type, settings.url, async, settings.username, settings.password)

            if (settings.xhrFields) for (name in settings.xhrFields) xhr[name] = settings.xhrFields[name]

            for (name in headers) nativeSetHeader.apply(xhr, headers[name])

            if (settings.timeout > 0) abortTimeout = setTimeout(function () {
                xhr.onreadystatechange = empty
                xhr.abort()
                ajaxError(null, 'timeout', xhr, settings, deferred)
            }, settings.timeout)

            // avoid sending empty string (#319)
            xhr.send(settings.data ? settings.data : null)
            return xhr
        }

        // handle optional data/success arguments
        function parseArguments(url, data, success, dataType) {
            if ($.isFunction(data)) dataType = success, success = data, data = undefined
            if (!$.isFunction(success)) dataType = success, success = undefined
            return {
                url: url
                , data: data
                , success: success
                , dataType: dataType
            }
        }

        $.get = function (/* url, data, success, dataType */) {
            return $.ajax(parseArguments.apply(null, arguments))
        }

        $.post = function (/* url, data, success, dataType */) {
            var options = parseArguments.apply(null, arguments)
            options.type = 'POST'
            return $.ajax(options)
        }

        $.getJSON = function (/* url, data, success */) {
            var options = parseArguments.apply(null, arguments)
            options.dataType = 'json'
            return $.ajax(options)
        }

        $.fn.load = function (url, data, success) {
            if (!this.length) return this
            var self = this, parts = url.split(/\s/), selector,
                options = parseArguments(url, data, success),
                callback = options.success
            if (parts.length > 1) options.url = parts[0], selector = parts[1]
            options.success = function (response) {
                self.html(selector ?
                    $('<div>').html(response.replace(rscript, "")).find(selector)
                    : response)
                callback && callback.apply(self, arguments)
            }
            $.ajax(options)
            return this
        }

        var escape = encodeURIComponent

        function serialize(params, obj, traditional, scope) {
            var type, array = $.isArray(obj), hash = $.isPlainObject(obj)
            $.each(obj, function (key, value) {
                type = $.type(value)
                if (scope) key = traditional ? scope :
                    scope + '[' + (hash || type == 'object' || type == 'array' ? key : '') + ']'
                // handle data in serializeArray() format
                if (!scope && array) params.add(value.name, value.value)
                // recurse into nested objects
                else if (type == "array" || (!traditional && type == "object"))
                    serialize(params, value, traditional, key)
                else params.add(key, value)
            })
        }

        $.param = function (obj, traditional) {
            var params = []
            params.add = function (key, value) {
                if ($.isFunction(value)) value = value()
                if (value == null) value = ""
                this.push(escape(key) + '=' + escape(value))
            }
            serialize(params, obj, traditional)
            return params.join('&').replace(/%20/g, '+')
        }
    })(Zepto)

    ;(function ($) {
        $.fn.serializeArray = function () {
            var name, type, result = [],
                add = function (value) {
                    if (value.forEach) return value.forEach(add)
                    result.push({name: name, value: value})
                }
            if (this[0]) $.each(this[0].elements, function (_, field) {
                type = field.type, name = field.name
                if (name && field.nodeName.toLowerCase() != 'fieldset' &&
                    !field.disabled && type != 'submit' && type != 'reset' && type != 'button' && type != 'file' &&
                    ((type != 'radio' && type != 'checkbox') || field.checked))
                    add($(field).val())
            })
            return result
        }

        $.fn.serialize = function () {
            var result = []
            this.serializeArray().forEach(function (elm) {
                result.push(encodeURIComponent(elm.name) + '=' + encodeURIComponent(elm.value))
            })
            return result.join('&')
        }

        $.fn.submit = function (callback) {
            if (0 in arguments) this.bind('submit', callback)
            else if (this.length) {
                var event = $.Event('submit')
                this.eq(0).trigger(event)
                if (!event.isDefaultPrevented()) this.get(0).submit()
            }
            return this
        }

    })(Zepto)

    ;(function () {
        // getComputedStyle shouldn't freak out when called
        // without a valid element as argument
        try {
            getComputedStyle(undefined)
        } catch (e) {
            var nativeGetComputedStyle = getComputedStyle
            window.getComputedStyle = function (element, pseudoElement) {
                try {
                    return nativeGetComputedStyle(element, pseudoElement)
                } catch (e) {
                    return null
                }
            }
        }
    })()


    exports('zepto', Zepto)
});